20606188

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:202

約数の個数: 36

約数和(自身を含む): 38292912

約数和(自身を除く): 17686724

約数列:

[1, 2, 4, 37, 53, 71, 74, 106, 142, 148, 212, 284, 1369, 1961, 2627, 2738, 3763, 3922, 5254, 5476, 7526, 7844, 10508, 15052, 72557, 97199, 139231, 145114, 194398, 278462, 290228, 388796, 556924, 5151547, 10303094, 20606188]

約数ペア:

[(1, 20606188), (2, 10303094), (4, 5151547), (37, 556924), (53, 388796), (71, 290228), (74, 278462), (106, 194398), (142, 145114), (148, 139231), (212, 97199), (284, 72557), (1369, 15052), (1961, 10508), (2627, 7844), (2738, 7526), (3763, 5476), (3922, 5254)]